Pipettes calibration scale



FIG. 1 shows a left front perspective view of a pipettes calibration scale in accordance with an embodiment of the present design.

FIG. 2 shows a top view of the pipettes calibration scale of FIG. 1.

FIG. 3 shows a left side view of the pipettes calibration scale of FIG. 1.

FIG. 4 shows a front view of the pipettes calibration scale of FIG. 1; and,

FIG. 5 shows a back view of the pipettes calibration scale of FIG. 1.

Applicant omits a right side view of the pipettes calibration scale as it is a mirror image of the left side view shown in FIG. 3.

The solid lines in FIGS. 1-5 illustrate a pipettes calibration scale according to the present design. The broken lines in FIG. 5 are included for the purpose of illustrating portions of the article that form no part of the claimed design. Other orthogonal or plan views, particularly the bottom view, do not form part of the claimed design. 

CLAIM The ornamental design for a pipettes calibration scale, as shown and described. 